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田口 康二郎*; 酒井 英明*; 奥山 大輔*; 石渡 晋太郎*; 藤岡 淳*; 福田 竜生; 橋爪 大輔*; 賀川 史敬*; 高橋 陽太郎*; 島野 亮*; et al.
Physica B; Condensed Matter, 407(11), p.1685 - 1688, 2012/06
被引用回数:5 パーセンタイル:23.98(Physics, Condensed Matter)Perovskite-type manganites exhibit various interesting phenomena arising from complex interplay among spin, charge, orbital, and lattice degrees of freedom. As the respective examples, perovskite-type YMnO and SrBaMnO are discussed. In the YMnO, the ferroelectric lattice distortion associated with the -type spin order is observed for the first time. Displacement-type ferroelectricity with off-center magnetic ions is discovered for SrBaMnO, which shows both large polarization value and strong coupling between ferroelectricity and magnetism.